双重绝缘是兼有()的绝缘 A.工作绝缘和基本绝缘 B.保护绝缘和附加绝缘 C.工作绝 发布时间:2017-05-14 12:33 │ 来源:www.tikuol.com 题型:单项选择题 问题: 双重绝缘是兼有()的绝缘A.工作绝缘和基本绝缘B.保护绝缘和附加绝缘C.工作绝缘和保护绝缘D.工作绝缘和空气绝缘
题型:单项选择题 The president of the World Bank says he has a passion for China, ______ he remembers starting as early as his childhood. A.thatB.whichC.asD.when 查看答案